package com.tianji.learning.mq;

import com.tianji.api.dto.trade.OrderBasicDTO;
import com.tianji.common.constants.MqConstants;
import com.tianji.learning.service.ILearningLessonService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.ExchangeTypes;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;


@Slf4j
@Component
@RequiredArgsConstructor
public class LessonChangeListener {
    private final ILearningLessonService learningLessonService;
    @RabbitListener(bindings = @QueueBinding(
            value = @Queue(value = "learning.lesson.pay.queue", durable = "true"),
            exchange = @Exchange(name = MqConstants.Exchange.ORDER_EXCHANGE, type = ExchangeTypes.TOPIC),
            key = MqConstants.Key.ORDER_PAY_KEY
    ))
    public void listenLessonPay(OrderBasicDTO orderBasicDTO){
        // 判断是否有接收到mq传来的消息
        if (orderBasicDTO == null || orderBasicDTO.getOrderId() == null || orderBasicDTO.getUserId() == null){
            log.error("消息队列传来的消息{}有问题",orderBasicDTO);
            return;
        }
        log.debug("监听到用户{}的订单{}，需要添加课程{}到课表中", orderBasicDTO.getUserId(), orderBasicDTO.getOrderId(), orderBasicDTO.getCourseIds());
        learningLessonService.addLesson(orderBasicDTO);
    }

    // 监听退款消息
    @RabbitListener(bindings = @QueueBinding(
            value = @Queue(value = "learning.lesson.refund.queue",durable = "true"),
            exchange = @Exchange(name = MqConstants.Exchange.ORDER_EXCHANGE, type = ExchangeTypes.TOPIC),
            key = MqConstants.Key.ORDER_PAY_KEY
    ))
    public void listenLessonRefund(OrderBasicDTO orderBasicDTO){
        // 判断是否收到mq传来的消息
        if (orderBasicDTO == null || orderBasicDTO.getOrderId() == null || orderBasicDTO.getUserId() == null){
            log.error("消息队列传来的消息{}有问题",orderBasicDTO);
            return;
        }
        log.debug("监听到用户{}的退款订单{}，需要删除课程{}", orderBasicDTO.getUserId(), orderBasicDTO.getOrderId(), orderBasicDTO.getCourseIds());
        learningLessonService.deleteLesson(orderBasicDTO.getUserId(),orderBasicDTO.getCourseIds().get(0));
    }


}
